140894280 has 48 divisors (see below), whose sum is σ = 457907580. Its totient is φ = 37571712.

The previous prime is 140894279. The next prime is 140894321. The reversal of 140894280 is 82498041.

It can be written as a sum of positive squares in 2 ways, for example, as 134513604 + 6380676 = 11598^2 + 2526^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195327 + ... + 196046.

Almost surely, 2^140894280 is an apocalyptic number.

140894280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140894280 is an abundant number, since it is smaller than the sum of its proper divisors (317013300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140894280 is a wasteful number, since it uses less digits than its factorization.

140894280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391390 (or 391383 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 140894280 is about 11869.8896372292. The cubic root of 140894280 is about 520.3526700312.

The spelling of 140894280 in words is "one hundred forty million, eight hundred ninety-four thousand, two hundred eighty".